EP0900106B1 - Occluseur a pince pour dispositifs de perfusion - Google Patents

Occluseur a pince pour dispositifs de perfusion Download PDF

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Publication number
EP0900106B1
EP0900106B1 EP96912464A EP96912464A EP0900106B1 EP 0900106 B1 EP0900106 B1 EP 0900106B1 EP 96912464 A EP96912464 A EP 96912464A EP 96912464 A EP96912464 A EP 96912464A EP 0900106 B1 EP0900106 B1 EP 0900106B1
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EP
European Patent Office
Prior art keywords
passage
housing
occluder
tube
plunger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Revoked
Application number
EP96912464A
Other languages
German (de)
English (en)
Other versions
EP0900106A4 (fr
EP0900106A1 (fr
Inventor
Sean Winterer
Chris Dumas
Michael Child
David J. Mcnally
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zevex Inc
Original Assignee
Zevex Inc
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Filing date
Publication date
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Application filed by Zevex Inc filed Critical Zevex Inc
Publication of EP0900106A4 publication Critical patent/EP0900106A4/xx
Publication of EP0900106A1 publication Critical patent/EP0900106A1/fr
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Anticipated expiration legal-status Critical
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/28—Clamping means for squeezing flexible tubes, e.g. roller clamps
    • A61M39/286—Wedge clamps, e.g. roller clamps with inclined guides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/28—Clamping means for squeezing flexible tubes, e.g. roller clamps
    • A61M39/281—Automatic tube cut-off devices, e.g. squeezing tube on detection of air
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps

Definitions

  • the present invention relates to an occluder device for the administration of enteral and/or parenteral solutions, and in particular to a pinch clip occluder for infusion sets.
  • a device according to the preamble of claim 1 is known from US-A-4 689 043.
  • infusion sets are used for both enteral and parenteral applications.
  • Enteral feeding pumps are used to provide patients with nutrition and medication when they are unable, for a variety of reasons, to eat normally.
  • Parenteral (intravenous) solutions are provided to patients to ensure adequate hydration and to provide needed nutrients, minerals and medication.
  • the infusion set is placed in a free standing arrangement in which gravity forces the solution into the patient.
  • the rate at which the solution enters the patient can be roughly controlled by various clamps, such as roller clamps, which are currently available on the market.
  • a regulating device such as an enteral feeding pump
  • the clamps used to regulate flow are typically manually opened, when employed, as they may interfere with the proper functioning of the pump.
  • the roller clamp may be closed to stop flow through the infusion set with the intention that the medical personnel will momentarily connect the pump or other regulating device to the infusion set.
  • emergencies or other distractions may prevent the medical personnel from properly attaching the pump or other regulating device or properly operating the clamp.
  • the occluder includes a housing with a passage therethrough for receiving a delivery set.
  • a plunger disposed along the housing is movable between two positions, one of which occludes flow through the delivery set and the other of which allows flow through the delivery set.
  • the plunger is typically biased in an occluding position.
  • a biasing member such as a spring, is disposed between the housing and part of the plunger or pinch clamp to bias the plunger or pinch clamp in a closed position until the infusion set is properly mounted in a flow regulating device, such as an enteral feeding pump.
  • FIG. 1 there is shown an exploded view of a pinch clip occluder for infusion sets, being not part of the present invention, generally indicated at 2.
  • the pinch clip 2 includes a clamp 8 having a base 12 with a flange 14 around the bottom of the base.
  • a pair of pincher arms 16 extend from the base 12 opposite the flange 14.
  • a passage 20 in the base 12 enables a tube of an infusion set, not shown, to pass through the base, and between the arms 16.
  • the arms 16 are biased in a closed position so that a pair of heads 24 (one on each arm) are sufficiently close together to occlude a tube of an infusion set passing between the heads, i.e. pinching sides of the tube of the infusion set together between the heads so that solution cannot flow through that portion of the tube.
  • the pinch clip 2 also includes an adjustment means in the form of a housing 30 formed by a generally cylindrical wall 32.
  • the housing 30 is designed so that the clamp 8 will fit inside a hollow 34 extending through the housing.
  • the hollow 34 begins at an open first end 36 of the housing 30 and terminates at an open second end 38 of the housing 30 in a passage 42.
  • the passage 42 in the second end 38 of the housing is in axial alignment with the passage 20 in the clamp.
  • the axial alignment of the two passages 20 and 42 allows the tubing of an infusion set, not shown, to be passed through the pinch clip 2.
  • the housing 30 has a pair of channels 48 formed in at least one position along the wall 32.
  • the channels 48 are designed to receive projections 52 extending outwardly from each head 24 on the arms 16.
  • the channels 48 are sloped so that lower ends 56 of the channels are separated from each other by about the same distance as the heads 24 of the arms 16 when in the biased, closed position.
  • the projections 52 are disposed at the lower end 56 of the channels 48, the arms 16 remain in their biased state and preclude fluid from passing through an infusion set passing therethrough.
  • the upper ends 60 of the channels 48 are disposed further apart than the lower ends 56.
  • the clamp 8 is pushed upwardly into the housing 30 so that the projections 52 move from the lower ends 56 of the channels 48 to the upper ends 60, the projections 52, the heads 24 and thus the arms 16 are forced apart, overcoming the biasing of the arms.
  • the projections 52 are disposed at the upper end 60 of the channels 48, the heads 24 of the clamp 8 are held apart sufficiently that fluid can flow freely through the infusion set.
  • a spring 70 is also shown in FIG. 1 .
  • the spring 70 is positioned adjacent the base 12 of the clamp 8 so that the bottom of the spring rests on the base.
  • the top of the spring 70 rests against a lip 76 below the channels 48.
  • the natural bias of the spring 70 is to push the clamp 8 out of the housing 30.
  • the clamp 8, however, cannot be totally pushed out of the housing 30, because the projections 52 catch at the lower ends 56 of the channels 48.
  • the spring 70 biases the clamp 8 into a position in which the heads 24 on the arms 16 will occlude an infusion set passing therethrough.
  • the arms 16 will spread further apart as the projections 52 follow the channels 48 to the upper ends 60.
  • FIG. 2 there is shown a perspective view of the pinch clip 2 disposed in a receptacle 80 formed as a half cylinder.
  • the clamp disposed within the housing
  • the projections 52 are forced to the upper ends 60 of the channels 48 so that the heads (not shown) do not occlude the infusion set 86.
  • Such a receptacle 80 will typically be formed in devices such as enteral feeding pumps (not shown) which receive an infusion set, rather than being formed separately.
  • each component of the pinch clip 2 and the receptacle 80 could be made of numerous different materials.
  • the all of the structures, except the spring 70 (FIG. 1) will be made of polyvinylchloride (PVC), or polycarbonate materials which are inexpensive and easy to fabricate into the structures described. Such materials would also make the pinch clips 2 disposable. If greater durability is desired, materials such as advanced engineering plastics or metal can also be used.
  • FIG. 3A there is shown a cross-sectional view of the pinch clip 2 in an occluding (closed) mode in that the heads 24 of the arms 16 are in a first position in the lower ends 56 of the channels 48 in the housing 30.
  • the heads 24 are close enough together so that they pinch the sidewall of the tubing 86 together and prevent fluid flow therethrough.
  • the clamp 8 is held in this position by the spring 70 which is fully extended.
  • an adapter 90 which has a first connector 94 for fitting within the tubing 86, and a second connector 98 to fit around the tubing 102.
  • the adapter 90 nests within the base 12 of the clamp 8.
  • an infusion set such as that used with enteral feeding pumps, will have a pair of long sections of tubing formed from a material such as PVC, and an interspaced section of tubing made of silicone.
  • the tubing 86 represents the silicone tubing and the tubing 102 typically represents the proximal PVC tubing positioned upstream from an enteral feeding pump.
  • the silicone tubing 86 is used to pass through an enteral feeding pump because it withstands the flexing and pulling of the pump rotor better than does the PVC tubing 102.
  • An adapter such as adapter 90, is used to connect the silicone tubing 86 to each segment of PVC tubing 102.
  • FIG. 3B there is shown a side cross-sectional view of the pinch clip 2 in which the clamp 8 is forced into the housing 30.
  • the heads 24 of the arms 16 are forced apart by the channels 48, so that the arms are held in a second, open position. This leaves the silicone tube 86 unrestricted by the heads 24, thereby allowing solution to flow freely through the tube.
  • the spring 70 When the clamp 8 is held in the housing 30, the spring 70 is compressed as is shown in FIG. 3B. However, to maintain the position shown in FIG. 3B, the pinch clip 2 would be placed into a receptacle as shown in FIG. 2, or some other force must be applied to keep the clamp 8 positioned so that the housing 30 is adjacent the flange 14 of the base 12. Thus, if the pinch clip 2 accidently comes out of the receptacle, the spring 70 will force the clamp 8 away from the housing 30 and into the position shown in FIG. 3A. The silicone tube 86 will thereby be occluded, and a free-flow situation cannot develop.
  • the adapter 90 nests in the base 12 of the clamp 8 and connects the silicone tube 86 with the PVC tube 102. While this is a convenient place to make the transition between the silicone tube 86 and the PVC tube 102, the change could be made at any other place along the infusion set.
  • the pinch clip 120 includes a housing 130 with a single channel 134 formed therein.
  • the housing 130 has an open first end 138 for containing a silicone tube 142.
  • the opposing second end 146 is likewise open for receiving the clamp 150.
  • the clamp 150 has a base 154 with a flange 158 and a passage 162 therethrough, similar to the embodiment discussed with respect to FIGs. 1-3B.
  • the embodiment shown in FIG. 4 has a single resilient arm 170 which extends from the base 154.
  • a head 174 of the arm 170 is moveable between a first, closed position in which the head occludes flow through the tube 142 and a second, open position (shown in FIG. 4) in which the head is moved away from the tube so as to allow flow therethrough.
  • a spring 180 is provided to move the base 150 away from the housing 120 and to force the head 174 into the first, closed position.
  • the head 174 When force is applied to the clamp 150 so as to move the clamp into the housing 130, the head 174 is pushed away from the tube so as to allow fluid flow therethrough.
  • the embodiment disclosed in FIG. 4 prevents solution flow through the tube 142 by pinching the tube between the arm 170 and a sidewall 186 the side of the housing 130, as opposed to a pair of arms as discussed above.
  • the base 154 of the clamp 150 will typically have a hollow 190 for receiving an adapter 196.
  • the adapter 196 enables the silicone tube 142 to be connected to a PVC tube 200.
  • thermosetting plastic material which is semi-resilient. Such materials are inexpensive and inherently disposable.
  • the pinch clip occluder generally indicated at 200, includes a housing 204 having a first end 208 and a second end 212.
  • a passage 218 extends along a long axis of the housing 204 from an opening 222 in the first end 208 to an opening (not shown) in the second end so as to enable the placement of a tube from a delivery set within the passage 218.
  • the pinch clip occluder 200 further includes a plunger 230 disposed so as to intersect the passage 218.
  • a long axis of the plunger 230 will be perpendicular to the long axis of the housing 204 and the passage 218.
  • the plunger 230 includes a plunger passage 234 disposed therein.
  • a delivery set (not shown) extending through the housing 204.
  • flow through the delivery set is prevented as the tubing of the delivery set becomes pinched between the plunger 230 and an inner wall 240 of the housing 204 and a wall defining the opening (not shown) at the second end 212.
  • FIG. 5A there is shown a cross-sectional view of the pinch clip occluder 200 discussed regarding FIG. 5, as well as a fragmented tube 250 of a delivery set.
  • the tube 250 is positioned in the passage 218 to extend along the passage 218.
  • the plunger 230 is positioned in the housing 204 adjacent the second end 212 so that the plunger passage 234 is in alignment with the housing passage 218. Thus, flow through the tube 250 of the delivery set is not occluded.
  • the tube 250 has a silicone section 250a and a section 250b made of polyvinylchloride (PVC) or some other suitable material.
  • An adapter 252 nests in the opening 222 and connects the two sections 250a and 250b together.
  • a spring 260 biases the plunger passage 234 into a position not in alignment with the housing passage 218.
  • the spring 260 forces a bottom wall 238 defining the plunger passage 234 upward so as to pinch closed the tube against an upper wall 270 defining an orifice or opening 274 in the second end 212, and an upper wall 278 defining an orifice or opening 280 in the inner wall 240.
  • the tubing 250 through the plunger passage 234 prevents the spring 260 from displacing the plunger 230 out of the housing 204, and an upper stop 294 prevents the plunger passage 234 from passing beyond an alignment position with the housing passage 218.
  • the upper knob 296 disposed above the stop 294 and the lower knob 298 are of similar dimensions so that the housing may be placed in an enteral feeding pump upside down from the position shown in FIGs. 5 and 5A, without affecting functionality.
  • the enteral feeding pump housing 300 includes a pair of channels 310 and 314 for holding a delivery set tube, such as tube 250 discussed in FIG. 5A.
  • a delivery set tube such as tube 250 discussed in FIG. 5A.
  • the tube is placed in one channel 310, wrapped about a motor unit (not shown) which is placed in the opening 320, and then positioned in the second channel 314. If the tube is not properly wrapped about the motor unit and placed in the channels 310 and 314 a free-flow condition may develop. However, the present invention prevents such a situation from developing.
  • the pinch clip occluder 200 is positioned along the channel 310.
  • the plunger 230 is positioned so as to occlude flow through a tube disposed in the channel 310.
  • an external force must be applied. This is typically done by closing a cover 330 which is connected to the housing 300.
  • the cover 330 applies downward force on the plunger 230 so that the plunger passage 234 and the housing passage are in alignment.
  • the pinch clip occluder 200 prevents flow through the enteral feeding pump unless the delivery set is properly loaded. Once the cover 330 is closed, the enteral feeding pump may function normally.
  • a pinch clip occluder for delivery sets.
  • the pinch clip occluder utilizes a clamping mechanism with at least one arm nested at least partially within a housing which serves as an adjustment mechanism by moving the arm between a position in which the arm occludes, flow through and infusion set, and a position in which it allows free-flow through the infusion set.
  • a moveable plunger which has a plunger passage alignable with a housing passage occludes flow through the housing unless an external pressure is applied.

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Pulmonology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)

Claims (31)

  1. Appareil (2; 120; 200) pour contrôler sélectivement l'écoulement à travers un ou plusieurs tubes (86, 102; 142, 200; 250a, 250b) d'un dispositif de distribution de perfusion, l'appareil (2; 120; 200) comprenant: un carter de pompe (30 ; 130 ; 204) comportant : un moyen de pompage disposé dans celui-ci, au moins un canal (310, 314) disposé dans celui-ci pour recevoir un tube (86, 120; 142, 200; 250a, 250b) du dispositif de distribution, un moyen de couvercle (80; 330) pour maintenir le tube (86, 120; 142, 200; 250a, 250b) du dispositif de distribution à l'intérieur du carter (30; 130; 204), le moyen de couvercle (80; 330) présentant une position ouverte dans laquelle le dispositif de distribution peut être retiré du canal au moins unique (310, 314), et une position fermée dans laquelle le dispositif de distribution ne peut être retiré du canal au moins unique (310, 314), et un vide (34) formé dans celui-ci pour recevoir un occluseur (24; 174; 238), un occluseur (24; 174; 238) pouvant être logé dans le vide (34) du carter de pompe (30; 130; 204), l'occluseur ( 24; 174; 238) comprenant: un carter d'occluseur (30, 32; 130; 298, 212) comportant une première extrémité ouverte (36; 138; 222) et une seconde extrémité ouverte (38; 190; 274), ainsi qu'un passage (42; 162; 218) s'étendant à travers celui-ci pour aller de la première extrémité ouverte (36; 138; 222) à la seconde extrémité ouverte (38; 190; 274) pour recevoir le tube (86, 120; 142, 200; 250a, 250b) du dispositif de distribution; des moyens de limitation de débit (16; 170; 230) disposés au moins partiellement à l'intérieur du carter (30; 130; 204) et pouvant se déplacer entre une première position dans laquelle des moyens de limitation de débit (16; 170; 230) occlusent le débit à travers le tube (86, 120; 142, 200; 250a, 250b) du dispositif de distribution, et une seconde position dans laquelle les moyens de limitation de débit (16; 170; 230) n'occlusent pas le débit à travers le tube (86, 120 ; 142, 200, 250a, 250b); et des moyens de poussée (70; 180; 260) disposés au voisinage du carter (30; 130; 204) et des moyens de limitation de débit (16; 170; 230), pour pousser les moyens de limitation de débit (16 ; 170 ; 230) dans la première position; les moyens de couvercle (80; 330) étant configurés pour venir en contact et pour déplacer les moyens de limitation de débit (16; 170; 230) de manière à les amener dans la seconde position lorsque les moyens de couvercle (80; 330) sont amenés dans la position de fermeture, caractérisé en ce qu' au moins un canal (222, 274) formé par le carter de pompe (298, 212) définit un passage (218); un passage (234) de l'occluseur (238) est en alignement avec le passage (218) du carter de pompe (298, 212) lorsque l'occluseur (238) est logé dans le carter de pompe (204); et l'appareil (200) comprend des moyens pour empêcher le débit d'écoulement à travers le dispositif de distribution lorsque le passage de l'occluseur n'est pas en alignement avec le passage du carter de pompe (298, 212).
  2. Appareil selon la revendication 1, dans lequel les moyens de limitation de débit (16; 170; 230) comprennent au moins un bras (16; 170) pouvant se déplacer en glissement entre la première position dans laquelle le bras au moins unique (16; 170) pince le tube (86; 142) de manière à empêcher le débit d'écoulement à travers celui-ci, et une seconde position dans laquelle le bras au moins unique (16; 170) ne pince plus le tube (86; 142).
  3. Dispositif selon la revendication 1, dans lequel les moyens de limitation de débit (16; 170; 230) comprennent un plongeur (230) muni d'un passage de plongeur (234) à travers celui-ci, le plongeur (230) pouvant se déplacer entre une première position dans laquelle le passage de plongeur (234) n'est pas en alignement avec le passage (218à du carter (230), de manière à occlure le débit d'écoulement à travers le tube (250a) passant à travers le passage (218) du carter (230), et une seconde position dans laquelle le passage de plongeur (234) est en alignement avec le passage (218) du carter (230), de manière à permettre le débit à travers le tube (250a) passant à travers le passage (218) du carter (230).
  4. Appareil selon la revendication 1, dans lequel l'occluseur (24; 174; 238) comprend en outre un adaptateur (90; 196; 252) adjacent au carter d'occluseur (30; 130; 204) pour connecter deux sections de tube (86; 120; 142, 200; 250a, 250b) d'un dispositif de distribution, l'une de ces deux sections de tube (86, 120; 142, 200; 250a, 250b) étant disposée au moins partiellement dans le carter d'occluseur (30; 130; 204).
  5. Appareil selon la revendication 1, dans lequel le canal au moins unique (222, 274) du carter de pompe (298, 212) définit un passage (218), et, le passage (234) de l'occluseur (238) est en alignement avec le passage (218) du carter de pompe (298, 212) lorsque l'occluseur (238) est logé dans le carter de pompe (204).
  6. Appareil selon la revendication 5, dans lequel l'appareil (200) comprend des moyens pour empêcher le débit d'écoulement à travers le dispositif de distribution lorsque le passage de l'occluseur n'est pas en alignement avec le passage du carter de pompe (298, 212).
  7. Appareil selon la revendication 1, dans lequel le moyen de limitation de débit (230) comprend un plongeur (230) présentant un axe long, et le carter d'occluseur (298, 212) présente un axe long disposé perpendiculairement à l'axe long du plongeur (230).
  8. Appareil selon la revendication 7, dans lequel le passage (234) de l'occluseur (238) présente un axe long qui est disposé généralement perpendiculairement au plongeur (230).
  9. Appareil selon la revendication 1, dans lequel le carter de pompe (300) comporte une paire de canaux (310, 314) disposés dans celui-ci pour maintenir le dispositif de distribution.
  10. Appareil selon la revendication 3, dans lequel le couvercle (330) est disposé de façon que lorsqu'il est amené dans sa position de fermeture, ce couvercle (330) vienne en contact et déplace le plongeur (230) pour le faire passer de la première position dans laquelle le passage de plongeur (234) n'est pas en alignement avec le passage (218) à travers le carter d'occluseur (298, 212), vers la seconde position dans laquelle le passage de plongeur (234) est en alignement avec le passage (218) à travers le carter d'occluseur (298, 212).
  11. Appareil selon la revendication 10, dans lequel l'occluseur (238) comprend en outre des moyens de poussée (260) pour pousser le plongeur (230) dans la première position.
  12. Appareil selon la revendication 10, dans lequel le carter d'occluseur (298, 212) comprend au moins une paroi (270, 278) définissant un orifice (274, 280) disposé autour du passage (234) au voisinage du plongeur (230) de façon que lorsque le plongeur (230) est disposé dans la première position, le tube (250a) s'étendant à travers le passage (218) du carter de plongeur (298, 212) et le passage de plongeur (234), soit pincé entre le plongeur (230) et la paroi au moins unique (270, 278), de manière à empêcher le débit d'écoulement à travers le tube (250a).
  13. Appareil selon la revendication 10, dans lequel le carter d'occluseur (298, 212) comporte une première extrémité (208) et une seconde extrémité (212), chaque extrémité comportant une ouverture (222, 274) formée dans celle-ci, et une paroi intérieure (240) étant disposée entre la première extrémité (208) et la seconde extrémité (212).
  14. Appareil selon la revendication 1, dans lequel l'adaptateur (90; 196; 252) est disposé partiellement à l'intérieur du carter (30; 130; 204) et partiellement à l'extérieur de ce carter (30; 130; 204).
  15. Appareil selon la revendication 1, dans lequel l'adaptateur (90; 196; 252) est disposé au moins partiellement à l'intérieur du carter (30; 130; 204).
  16. Appareil selon la revendication 1, dans lequel les moyens de limitation de débit (16; 170; 230) comprennent une section de base (12; 154) avec au moins un bras (16; 170) partant de celle-ci, et les moyens de limitation de débit (16; 170; 230) comprennent en outre un passage (20, 190) disposé dans la base (12; 154) de façon qu'un tube (102; 200) passant à travers celle-ci soit disposé au voisinage du bras au moins unique (16; 170).
  17. Appareil selon la revendication 16, dans lequel les moyens de limitation de débit (16; 170; 230) comprennent une paire de bras (16), chaque bras (16) comprenant une tête (24) disposée sur une extrémité du bras (16) à l'opposé de la section de base (12), de façon que les têtes (24) soient disposées au voisinage l'une de l'autre.
  18. Appareil selon la revendication 17, dans lequel les têtes (24) des bras (16) sont poussées l'une vers l'autre de façon qu'un tube (86) d'un dispositif de perfusion placé entre les têtes (24), soit pincé pour être fermé lorsqu'aucune force extérieure n'est appliquée aux bras (16).
  19. Appareil selon la revendication 17, dans lequel le passage (20) est disposé de façon qu'un tube (86) passant à travers celui-ci passe également entre les têtes (24) des bras (16).
  20. Appareil selon la revendication 17, dans lequel chaque bras (16) comporte au moins une saillie (52) partant transversalement de celui-ci.
  21. Appareil selon la revendication 20, dans lequel la saillie au moins unique (52) est logée en glissement dans les moyens de canaux (48).
  22. Appareil selon la revendication 21, dans lequel le carter (30) comprend une paroi latérale (32), et les moyens de canaux (48) comprennent au moins deux canaux (48) formés dans la paroi latérale (32).
  23. Appareil selon la revendication 22, dans lequel les canaux (48) comprennent des extrémités inférieures (56) et des extrémités supérieures (60), les extrémités inférieures (56) étant disposées plus près les unes des autres que les extrémités supérieures (60) des canaux (48), de façon que le mouvement des saillies (52) des bras (167) pour passer des extrémités inférieures (56) aux extrémités supérieures (60), produise le déplacement des têtes (24) des bras (16) entre la première position et la seconde position.
  24. Appareil selon la revendication 16, dans lequel le carter (30) comprend en outre un passage (42) en alignement axial avec le passage (20) de la base (12).
  25. Appareil selon la revendication 1, dans lequel l'adaptateur (90; 196; 252) est logé dans l'occluseur (24; 174; 238).
  26. Appareil selon la revendication 17, dans lequel les moyens de limitation de débit (16) comprennent en outre un passage (20) passant à travers la base (12) de façon qu'un tube (86) passant à travers le passage (20) passe également entre les bras (16).
  27. Appareil selon la revendication 26, dans lequel les moyens de carter (30) comprennent un creux destiné à recevoir une partie au moins des moyens de limitation de débit (16), et un passage (20) en alignement axial avec le passage des moyens de limitation de débit (16) pour recevoir un tube (86) d'un dispositif de perfusion.
  28. Appareil selon la revendication 13, dans lequel la première extrémité (208) du carter (298, 212) comporte une rainure annulaire formée dans celle-ci pour recevoir l'adaptateur (252).
  29. Appareil selon la revendication 13, dans lequel le carter (298, 212) est essentiellement creux entre la première extrémité (208) et la paroi intérieure (240) de manière à permettre à un tube (250a) d'un dispositif de distribution, de passer en glissement dans le carter (298, 212) de la seconde extrémité (212) vers la première extrémité (208).
  30. Appareil selon la revendication 7, dans lequel le plongeur (230) comprend en outre un bouton (294) conformé pour s'engager dans un carter de pompe d'alimentation entérale (298, 212), de manière à fixe l'occluseur (238) à l'intérieur du carter de pompe (298, 212) lorsque cet occluseur (238) est disposé dans ce carter.
  31. Appareil selon la revendication 1, comprenant en outre un tube de perfusion généralement continu (250a) partant d'une position adjacente à la première extrémité (208) pour passer à travers l'ouverture de la paroi intérieure (240), le passage de plongeur et l'ouverture de la seconde extrémité (212).
EP96912464A 1995-03-27 1996-03-26 Occluseur a pince pour dispositifs de perfusion Revoked EP0900106B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US41091295A 1995-03-27 1995-03-27
PCT/US1996/004096 WO1996030679A1 (fr) 1995-03-27 1996-03-26 Occluseur a pince pour dispositifs de perfusion
US410912 1999-09-30

Publications (3)

Publication Number Publication Date
EP0900106A4 EP0900106A4 (fr) 1999-03-10
EP0900106A1 EP0900106A1 (fr) 1999-03-10
EP0900106B1 true EP0900106B1 (fr) 2002-12-18

Family

ID=23626753

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96912464A Revoked EP0900106B1 (fr) 1995-03-27 1996-03-26 Occluseur a pince pour dispositifs de perfusion

Country Status (8)

Country Link
US (2) US5704584A (fr)
EP (1) EP0900106B1 (fr)
JP (1) JPH11509744A (fr)
AT (1) ATE229829T1 (fr)
AU (1) AU5527596A (fr)
DE (1) DE69625521T2 (fr)
ES (1) ES2187647T3 (fr)
WO (1) WO1996030679A1 (fr)

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Also Published As

Publication number Publication date
EP0900106A4 (fr) 1999-03-10
DE69625521T2 (de) 2003-10-02
WO1996030679A1 (fr) 1996-10-03
US5704584A (en) 1998-01-06
DE69625521D1 (de) 2003-01-30
AU5527596A (en) 1996-10-16
US5810323A (en) 1998-09-22
EP0900106A1 (fr) 1999-03-10
ATE229829T1 (de) 2003-01-15
ES2187647T3 (es) 2003-06-16
JPH11509744A (ja) 1999-08-31

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